Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-02-2023 10:04

General

  • Target

    tmp.exe

  • Size

    1.3MB

  • MD5

    70fc8ed66dcbf35718325bd94f7dd1e7

  • SHA1

    cd36fdf88632fa7676d5d5f649d44f2ac4f2342f

  • SHA256

    c03c9d22c013990be03bf7bfc65cb34db47beb0381856b992c340dfd5b6406b2

  • SHA512

    eff121acdc3eeb38cb8826e8507b8458daacd51cd058dec600b747a94a05e07088ded4eb912973bcfc846dee6e0001109cf914a26335c0bd430c12a703aa5dea

  • SSDEEP

    24576:c7YKIYHC9+TrolcVDql1BdPYJ5jJtf4ShbWolOHoFN6WtljaEyEg:cUKI3gAeDqvbOtrhZ8HoFN6WtljaEyE

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:5052

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5052-132-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-133-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-134-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-136-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-137-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-138-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-139-0x00000000008C0000-0x00000000008FE000-memory.dmp
    Filesize

    248KB

  • memory/5052-140-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-141-0x00000000779F0000-0x0000000077B93000-memory.dmp
    Filesize

    1.6MB

  • memory/5052-142-0x00000000777B0000-0x00000000779C5000-memory.dmp
    Filesize

    2.1MB

  • memory/5052-144-0x0000000076610000-0x00000000767B0000-memory.dmp
    Filesize

    1.6MB

  • memory/5052-145-0x0000000076570000-0x00000000765EA000-memory.dmp
    Filesize

    488KB

  • memory/5052-1489-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1490-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1491-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1492-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1493-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1494-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1496-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1498-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1499-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1500-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1501-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1502-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB

  • memory/5052-1503-0x0000000010000000-0x0000000010018000-memory.dmp
    Filesize

    96KB

  • memory/5052-1506-0x0000000000400000-0x000000000072F000-memory.dmp
    Filesize

    3.2MB